Hi there,

I'm trying to perform a step(), using variables from a data set with 32.000 observations. The upper model is not so long  - (x1 + x2 + x3)^2 - where x1...x3 are the explanatory variables. Yet, I got a memory problem when performing it. The message is the following:

Error: cannot allocate vector of size 26859 Kb
In addition: Warning messages:
1: Reached total allocation of 246Mb: see help(memory.size) 
2: Reached total allocation of 246Mb: see help(memory.size) 

I tried to see "help(memory.size)", but that was not too enlightening. As I am not familiar with these memory problems, I am asking for your help. What should I do so that I can perform this (and many others) step( )? I am under Windows XP, using a P4 2.00 GHz with 256 Mb of RAM.

Thank you.
Dimitri
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